A case of primary ureteral carcinoma in the duplicated renal pelvis and ureter diagnosed by transurethral uretero-renoscopy

We present a case of primary ureteral carcinoma in the duplicated renal pelvis and ureter diagnosed by transurethral uretero-renoscopy. The case was of a 78-year-old man with the complaint of sudden asymptomatic macrohematuria. An excretory urogram strongly suggested the presence of duplication of t...

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Veröffentlicht in:Hinyokika kiyo. Acta urologica Japonica. - 1962. - 32(1986), 3 vom: 01. März, Seite 454-61
1. Verfasser: Banya, Y (VerfasserIn)
Weitere Verfasser: Abe, T, Sasaki, H, Aoki, H, Fujioka, T, Akasaka, T, Kubo, T, Ohori, T
Format: Aufsatz
Sprache:Japanese
Veröffentlicht: 1986
Zugriff auf das übergeordnete Werk:Hinyokika kiyo. Acta urologica Japonica
Schlagworte:Case Reports English Abstract Journal Article
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245 1 2 |a A case of primary ureteral carcinoma in the duplicated renal pelvis and ureter diagnosed by transurethral uretero-renoscopy 
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520 |a We present a case of primary ureteral carcinoma in the duplicated renal pelvis and ureter diagnosed by transurethral uretero-renoscopy. The case was of a 78-year-old man with the complaint of sudden asymptomatic macrohematuria. An excretory urogram strongly suggested the presence of duplication of the right collecting system, and cystoscopy revealed a gross hematuria from the right ureteral orifice. A retrograde ureteropyelogram revealed incomplete duplication of the right renal pelvis and ureter fused at about the ureter crossing over the iliac vessels, and a polyp-like filling defect in the lower segment of duplicated ureter at about 4 cm from the fusion of the ureters. Transurethral uretero-renoscopy was employed to investigate the filling defect, and a papillary tumor extended into the lower segment of duplicated ureter was revealed. Tumor was resected by a rigid operating instrument under transurethral uretero-renoscopy. The pathological diagnosis was grade I-transitional cell carcinoma of the ureter, so that right total nephroureterectomy with partial cystectomy was carried out subsequently. Surgical specimen after right total nephroureterectomy with partial cystectomy showed no other tumor in the pelvis or ureter macroscopically, and histopathological studies of surgical specimens were no evidence of malignancy. We believe that transurethral uretero-renoscopy significantly increases the diagnostic accuracy in determining the nature of upper urinary tract lesions, and this procedure is indispensable in the diagnosis of ureteral tumors. The present case was the 7th case of primary ureteral carcinoma in the duplicated renal pelvis and ureter in the Japanese literature 
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700 1 |a Abe, T  |e verfasserin  |4 aut 
700 1 |a Sasaki, H  |e verfasserin  |4 aut 
700 1 |a Aoki, H  |e verfasserin  |4 aut 
700 1 |a Fujioka, T  |e verfasserin  |4 aut 
700 1 |a Akasaka, T  |e verfasserin  |4 aut 
700 1 |a Kubo, T  |e verfasserin  |4 aut 
700 1 |a Ohori, T  |e verfasserin  |4 aut 
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